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Power Components

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Power Components
Innovative Electrical Infrastructure

Complete Power Component Portfolio

Innovative technologies for a safe and reliable electrical infrastructure. From circuit breakers and controls to transformers and safety switches — we deliver high-performance components for industrial and commercial applications.

Up to 200 kA interrupting
Ratings to 8,000 amps
Electronic & thermal-magnetic trips
UL / IEC / NEMA compliant

Complete Portfolio

Industrial Circuit Breakers & Components

Innovative technologies for a safe and reliable electrical infrastructure — air circuit breakers, molded case breakers, DC breakers, controls, transformers, and safety switches.

Industrial Circuit Breakers

Air Circuit Breakers (ACB)

EntelliGuard Mpact PowerBreak II Wavepro AK/AKR
600 to 6,400 amps Short circuit ratings up to 150 kA

Molded Case Circuit Breakers (MCCB)

Record + Spectra TEY/STEY
15 to 1,600 amps Short circuit ratings up to 200 kA Electronic and thermal magnetic trips

DC and Other Breakers

Gerapid
Up to 8,000 amps Short circuit rating up to 120 kA
Miniature Circuit Breakers Molded Case Air Circuit Breakers

Supporting Components

  • General purpose controls — contactors, relays, starters
  • Load centers for residential and light commercial
  • Dry-type transformers — ventilation and encapsulated
  • Safety switches and disconnects — fusible and non-fusible

All components engineered for reliability, safety, and long service life in demanding industrial environments.

Wide Amp Range

15A to 8,000A — covering low to high current applications

High Interrupting

Up to 200 kA short circuit ratings for critical protection

Advanced Trip Units

Electronic and thermal-magnetic trip options

Global Standards

UL, IEC, NEMA, and GB compliant designs

Featured Breaker Series

EntelliGuard

High-performance air circuit breakers with advanced trip units and communication capabilities for critical power applications.

800-6400A150kA IC

Record+ / Spectra

Molded case breakers with interchangeable trip units — ideal for distribution and motor branch circuit protection.

15-1600A200kA IC

Gerapid

High-current DC circuit breakers for industrial applications including traction, mining, and heavy-duty DC power systems.

Up to 8000A120kA DC

Complete Electrical Infrastructure

Innovative technologies for safe and reliable power distribution

General Purpose Controls

Contactors, relays, motor starters, and control relays

Load Centers

Residential and light commercial distribution panels

Dry-Type Transformers

Ventilated and encapsulated designs for step-down/step-up

Safety Switches & Disconnects

Fusible and non-fusible, heavy-duty, general duty

Ratings & Compliance

Specifications You Can Rely On

  • Current Ratings: 15A to 8,000A AC/DC
  • Interrupting Capacity: Up to 200 kA (MCCB), 150 kA (ACB), 120 kA (DC)
  • Trip Units: Electronic (LSI, LSIG) and thermal-magnetic
  • Standards: UL 489, IEC 60947, NEMA AB-1, GB/T 14048
  • Poles: 1P, 2P, 3P, 4P configurations available
Circuit Breaker

Need Reliable Power Components?

From air circuit breakers to dry-type transformers — we supply the complete range of power components for your electrical infrastructure.

Request a Quote View Product Catalog

TJSI

TJSI delivers industrial electrical, power, and engineering services supporting safety, reliability, and uptime across critical facilities. Complete power components portfolio available.

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Contact Info

807 Mansfield Ave, Mayville, Pretoria, 0084

sales@tjsi.co.za

012 383 2107

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